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spapr: convert TCE API to use an opaque type

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The TCE table is currently returned as a DMAContext, and non-type-safe
APIs are called later passing back the DMAContext.  Since we want to move
away from DMAContext, use an opaque type instead, and add an accessor
to retrieve the DMAContext from it.

Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2013-04-10 17:30:48 +02:00
parent 06d985f5d8
commit 2b7dc949e2
6 changed files with 47 additions and 53 deletions
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12
include/hw/ppc/spapr.h
View file

@ -342,17 +342,19 @@ typedef struct sPAPRTCE {
#define RTAS_ERROR_LOG_MAX 2048
typedef struct sPAPRTCETable sPAPRTCETable;
void spapr_iommu_init(void);
void spapr_events_init(sPAPREnvironment *spapr);
void spapr_events_fdt_skel(void *fdt, uint32_t epow_irq);
DMAContext *spapr_tce_new_dma_context(uint32_t liobn, size_t window_size);
void spapr_tce_free(DMAContext *dma);
void spapr_tce_reset(DMAContext *dma);
void spapr_tce_set_bypass(DMAContext *dma, bool bypass);
sPAPRTCETable *spapr_tce_new_table(uint32_t liobn, size_t window_size);
DMAContext *spapr_tce_get_dma(sPAPRTCETable *tcet);
void spapr_tce_free(sPAPRTCETable *tcet);
void spapr_tce_reset(sPAPRTCETable *tcet);
void spapr_tce_set_bypass(sPAPRTCETable *tcet, bool bypass);
int spapr_dma_dt(void *fdt, int node_off, const char *propname,
uint32_t liobn, uint64_t window, uint32_t size);
int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
DMAContext *dma);
sPAPRTCETable *tcet);
#endif /* !defined (__HW_SPAPR_H__) */

1
include/hw/ppc/spapr_vio.h
View file

@ -63,6 +63,7 @@ struct VIOsPAPRDevice {
uint32_t irq;
target_ulong signal_state;
VIOsPAPR_CRQ crq;
sPAPRTCETable *tcet;
DMAContext *dma;
};